Monthly Archives: December 2015

This example shows how to control a mains lamp using a 240V relay board and an Arduino Uno. The idea is to randomly flicker the light on and off, similar to an old strip light when it becomes a bit … Continue reading →

The other project for this weekend was a really simple ATTiny85 programmer ‘shield’ for an Arduino Uno. This board fits on top of the Uno and effectively turns the Uno into a programmer for the ATTiny chip. The programmer takes … Continue reading →

This weekend’s programme consisted of several new projects (battery tester, switching mains lights using a microcontroller, an ATTiny programmer and a touch-based instrument), but this post is just about the battery tester. Having worked with schools over the summer using … Continue reading →